code: def feet(kilometers=0, meters=0, miles=0, nautical=0):
      """
      Convert distance to feet.
      """
      ret = 0.0
      if nautical:
          kilometers += nautical / nm(1.0)
      if meters:
          kilometers += meters / 1000.0
      if kilometers:
          miles += mi(kilometers=kilometers)
      ret += miles * 5280
      return ret
  
file_path: geopy/geopy/units.py
imports: import math
label_desc: Use image node_id 8 for calling a global function with example usage: feet(kilometers, meters, miles, nautical) and returns: ret